An adaptation of the manga of the same name by Hisasi. There are two stories in episode 1: Tsun-Devil about a demoness who lives in the human world, goes to school, and falls in love with her classmate. Sisters Ring tells us about a certain mysterious video disc. Legend has it that a Sempai watched it and died... . The legend claims that a classmate of ours died after watching the DVD. When Kana came home, she couldn't break her promise and watched the DVD, and then her younger sister came over and Kana grew a dick...